First Need Water Purifier

Purifies against bacteria, cysts and viruses, removes giardia and
cryptosporidia. Also removes dirt and chemicals such as pesticides and
herbicides. Easy to grip handle provides comfortable pumping or use
included gravity feed kit for hands-free purification without pumping.
Lets you purify up to 150 gallons before needing to replace the
canister. Great to include with emergency preparedness supplies.